室温下十二烷基硫酸钠在水溶液中存在和不存在硫酸钠和硫酸锌时的电导率

Scientific World Pub Date : 2015-10-06 DOI:10.3126/SW.V12I12.13568

A. Bhattarai, S. Shah, Kuber Limbu

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引用次数: 3

摘要

测定了十二烷基硫酸钠在水溶液中存在和不存在硫酸钠和硫酸锌时的电导。结果表明，随着十二烷基硫酸钠浓度的增加，电导急剧增加。此外，电导随盐的加入而增加。在水溶液中，Na2SO4存在时，十二烷基硫酸钠的电导率比ZnSO4存在时高。在盐的存在下，临界胶束浓度(cmc)值降低，这是由加入离子的性质和离子大小来解释的。电导与浓度的关系图用于确定临界胶束浓度(cmc)。《科学世界》，2014年9月，第12卷第12期，41-43页

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CONDUCTANCE OF SODIUM DODECYLSULFATE IN PRESENCE AND ABSENCE OF Na2SO4 AND ZnSO4 IN AQUEOUS MEDIA AT ROOM TEMPERATURE

Conductance measurement of sodium dodecylsulfate in the presence and in the absence of Na2SO4 and ZnSO4 in aqueous media was done. The results showed sharp increase in conductance with increase in concentration of sodium dodecylsulfate. Also, the conductance increases with addition of salts. The conductance of sodium dodecylsulfate is found more in the presence of Na2SO4 than ZnSO4 in aqueous media. In the presence of salts, the critical micelle concentration (cmc) value decreases which are explained on the basis of the nature and ion size of the added ion. The graph of conductance versus concentration is used in determining the critical micelle concentration (cmc). Scientific World, Vol. 12, No. 12, September 2014, page 41-43

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Scientific World

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